Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
|
2 functions of the nervous system
|
directs the body's internal processes - links the body to the external environment
|
|
|
function of the nervous system: directs the body's ____ ____
|
internal processes
|
|
|
function of the nervous system: links the body to the ____ ____
|
external environment
|
|
|
2 divisions of the nervous system
|
central nervous system (CNS) - peripheral nervous system (PNS)
|
|
|
cns is composed of the ____ & ____ ____
|
brain - spinal cord
|
|
|
cns controls the ____ ____
|
entire organism
|
|
|
cns integrates
|
incoming info and response
|
|
|
cns is dependent upon the
|
peripheral nervous system (pns)
|
|
|
pns link between ____, ____, & ____
|
cns - body - environment
|
|
|
pns is composed of ____ & ____ nerves
|
spinal (31) - cranial (12)
|
|
|
pns is composed of ____ & ____ divisions
|
sensory - motor
|
|
|
sensory division is composed of ____ & ____ afferents
|
somatic - visceral
|
|
|
motor division is composed of ____ & ____ nervous system
|
somatic - autonomic
|
|
|
2 divisions of the motor division of the pns
|
somatic nervous system - autonomic nervous system
|
|
|
somatic nervous system is voluntary or involuntary
|
voluntary
|
|
|
somatic nervous system conducts ____ from the ____ to ____ ____
|
impulses - cns - skeletal muscles
|
|
|
autonomic nervous system innervates ____ ____ (internal organs), ____, & ____ ____
|
smooth muscle - glands - cardiac muscle
|
|
|
autonomic nervous system maintains
|
homeostasis
|
|
|
2 divisions of autonomic nervous system
|
sympathetic nervous system - parasympathetic nervous system
|
|
|
sympathetic nervous system is a "____ or ____" system
|
fight- flight
|
|
|
sympathetic ns inhibits the
|
digestive system
|
|
|
sympathetic ns dilates
|
pupils
|
|
|
sympathetic ns accelerates ____ & ____ rate
|
heart - respiration
|
|
|
parasympathetic ns brings
|
functions back to normal
|
|
|
parasympathetic ns contracts
|
pupils
|
|
|
parasympathetic ns promotes
|
digestion
|
|
|
parasympathetic ns returns ____ & ____ rates to normal
|
heart - respiration
|
